<template>
  <div class='home-category' @mouseleave="currentId=null">
    <ul class="menu">
        <!-- leftCate是getters的属性名 -->
          <li :class="{active:currentId===item.id }" @mouseenter="currentId=item.id"  v-for="item in $store.getters['cate/leftCate']" :key="item.id">
              <RouterLink to="/">{{item.name}}</RouterLink>
          <template v-if="item.children">
              <RouterLink to="/" v-for="tag in item.children" :key="tag.id">{{tag.name}}</RouterLink>
          </template>
          <template v-else>
            <!-- 自定义UI组件 -->
            <!-- <XtxSkeleton width="60px" height="18px" style="margin-right:5px" bg="rgba(255, 255, 255, 0.2)" /> -->
              <XtxSkeleton width="60px" height="18px" style="margin-right:5px" bg="rgba(255,255,255,0.2)" />
              <XtxSkeleton width="50px" height="18px" bg="rgba(255,255,255,0.2)" />
          </template>
      </li>

      <!-- 品牌推荐 -->
      <li @mouseenter="currentId='brand'" :class="{active:currentId==='brand' }">
          <RouterLink to="/">{{brand.name}}</RouterLink>
          <RouterLink to="/">{{brand.children[0].name}}</RouterLink>
      </li>
    </ul>
  <!-- 弹层 -->
    <div class="layer">
    <h4>分类推荐 <small>根据您的购买或浏览记录推荐</small></h4>
    <ul v-if="currentId!=='brand'">
        <li v-for="item in goodsList" :key="item.id">
        <RouterLink to="/">
            <img :src="item.picture" alt="">
            <div class="info">
            <p class="name ellipsis-2">{{item.name}}</p>
            <p class="desc ellipsis">{{item.desc}}</p>
            <p class="price"><i>¥</i>{{item.price}}</p>
            </div>
        </RouterLink>
        </li>
    </ul>
    <!-- 品牌数据 -->
    <ul v-if="currentId==='brand'">
    <li class="brand" v-for="i in brand.brands" :key="i">
        <RouterLink to="/">
        <img :src="i.picture" alt="">
        <div class="info">
            <p class="place"><i class="iconfont icon-dingwei"></i>{{i.place}}</p>
            <p class="name ellipsis">{{i.nameEn}}</p>
            <p class="desc ellipsis-2">{{i.name}}</p>
        </div>
        </RouterLink>
    </li>
    </ul>
    </div>
  </div>

</template>

<script>
import { computed, reactive, ref } from 'vue'
import { useStore } from 'vuex'
import { findBrandAPI } from '@/api/home'
export default {
  name: 'HomeCategory',
  setup () {
    //   准备品牌数据
    const brand = reactive({
      id: 'brand',
      name: '品牌',
      children: [{ id: 'brand-children', name: '品牌推荐' }],
      brands: []
    })
    findBrandAPI().then((res) => {
      if (res && res.result) {
        brand.brands = res.result
      }
    })

    const store = useStore()
    const currentId = ref(null)
    const goodsList = computed(() => {
      const cate = store.state.cate.list.find(item => item.id === currentId.value)
      return cate ? cate.goods : []
    })
    return { brand, goodsList, currentId }
  }
}
</script>

<style scoped lang='less'>
.home-category {
  width: 250px;
  height: 500px;
  background: rgba(0,0,0,0.8);
  position: relative;
  z-index: 99;
  .menu {
    .xtx-skeleton {
      animation: fade 1s linear infinite alternate;
    }
    @keyframes fade {
      from {
        opacity: 0.2;
      }
      to {
        opacity: 1;
      }
    }
    li {
      padding-left: 40px;
      height: 50px;
      line-height: 50px;
      &.active {
        background: @xtxColor;
      }
      a {
        margin-right: 4px;
        color: #fff;
        &:first-child {
          font-size: 16px;
        }
      }
    }
  }

    // 弹窗
    .layer {
    width: 990px;
    height: 500px;
    background: rgba(255,255,255,0.8);
    position: absolute;
    left: 250px;
    top: 0;
    display: none;
    padding: 0 15px;
    h4 {
        font-size: 20px;
        font-weight: normal;
        line-height: 80px;
        small {
        font-size: 16px;
        color: #666;
        }
    }
    ul {
        display: flex;
        flex-wrap: wrap;
        li {
        width: 310px;
        height: 120px;
        margin-right: 15px;
        margin-bottom: 15px;
        border: 1px solid #eee;
        border-radius: 4px;
        background: #fff;
        &:nth-child(3n) {
            margin-right: 0;
        }
        a {
            display: flex;
            width: 100%;
            height: 100%;
            align-items: center;
            padding: 10px;
            &:hover {
            background: #e3f9f4;
            }
            img {
                width: 95px;
                height: 95px;
            }
            .info {
            padding-left: 10px;
            line-height: 24px;
            width: 190px;
            .name {
                font-size: 16px;
                color: #666;
            }
            .desc {
                color: #999;
            }
            .price {
                font-size: 22px;
                color: @priceColor;
                i {
                font-size: 16px;
                }
            }
            }
        }
        }
    }
    }
    &:hover {
    .layer {
        display: block;
    }
    }
}

</style>
